package com.lzh.exer4;

public class Account {
	
	private double balance;
	
	public Account(double init_balance) {
		this.balance=init_balance;
	}

	public double getBalance() {
		return balance;
	}

	//存钱操作
	public void deposit(double amt) {
		if(amt > 0) {
			balance += amt;
			System.out.println("存钱成功");
		}
	}
	
	//取钱操作
	public void withdraw(double amt) {
		if(balance >= amt) {
			balance -=amt;
			System.out.println("取钱成功");
		}else {
			System.out.println("余额不足");
		}
	}
}
